deprecated-helm-charts/stable/external-dns

external-dns

Chart Details

This chart will do the following:

• Create a deployment of external-dns within your Kubernetes Cluster.

Currently this uses the Zalando hosted container, if this is a concern follow the steps in the external-dns documentation to compile the binary and make a container. Where the chart pulls the image from is fully configurable.

Installing the Chart

To install the chart with the release name my-release:

$ helm install --name my-release stable/external-dns

Configuration

The following tables lists the configurable parameters of the external-dns chart and their default values.

Parameter	Description	Default
annotationFilter	Filter sources managed by external-dns via annotation using label selector semantics (default: all sources) (optional).	""
aws.accessKey	AWS_ACCESS_KEY_ID to set in the environment (optional).	""
aws.secretKey	AWS_SECRET_ACCESS_KEY to set in the environment (optional).	""
aws.region	AWS_DEFAULT_REGION to set in the environment (optional).	us-east-1
aws.roleArn	If assume role credentials are used then is the role_arn (arn:aws:iam::....). Leave empty if not used.	""
aws.zoneType	Filter for zones of this type (optional, options: public, private).	""
cloudflare.apiKey	CF_API_KEY to set in the environment (optional).	""
cloudflare.email	CF_API_EMAIL to set in the environment (optional).	""
domainFilters	Limit possible target zones by domain suffixes (optional).	[]
extraArgs	Optional object of extra args, as name: value pairs. Where the name is the command line arg to external-dns.	{}
extraEnv	Optional object of extra environment variables, as name: value pairs.	{}
google.project	When using the Google provider, specify the Google project (required when provider=google).	""
google.serviceAccountSecret	When using the Google provider, optionally specify the secret which contains credentials.json if necessary.	""
image.name	Container image name (Including repository name if not hub.docker.com).	registry.opensource.zalan.do/teapot/external-dns
image.pullPolicy	Container pull policy.	IfNotPresent
image.tag	Container image tag.	v0.4.5
image.pullSecrets	Array of pull secret names	[]
logLevel	Verbosity of the logs (options: panic, debug, info, warn, error, fatal)	info
nodeSelector	Node labels for pod assignment	{}
podAnnotations	Additional annotations to apply to the pod.	{}
policy	Modify how DNS records are sychronized between sources and providers (options: sync, upsert-only ).	upsert-only
provider	The DNS provider where the DNS records will be created (options: aws, google, azure, cloudflare, digitalocean, inmemory ).	aws
publishInternalServices	Allow external-dns to publish DNS records for ClusterIP services (optional).	false
rbac.create	If true, create & use RBAC resources	false
rbac.serviceAccountName	Existing ServiceAccount to use (ignored if rbac.create=true)	default
resources	CPU/Memory resource requests/limits.	{}
service.annotations	Annotations to add to service	{}
service.clusterIP	IP address to assign to service	""
service.externalIPs	Service external IP addresses	[]
service.loadBalancerIP	IP address to assign to load balancer (if supported)	""
service.loadBalancerSourceRanges	List of IP CIDRs allowed access to load balancer (if supported)	[]
service.servicePort	Service port to expose	7979
service.type	Type of service to create	ClusterIP
sources	List of resource types to monitor, possible values are fake, service or ingress.	[service, ingress]
tolerations	List of node taints to tolerate (requires Kubernetes >= 1.6)	[]
txtOwnerId	When using the TXT registry, a name that identifies this instance of ExternalDNS (optional)	"default"
txtPrefix	When using the TXT registry, a prefix for ownership records that avoids collision with CNAME entries (optional)	""

Specify each parameter using the --set key=value[,key=value] argument to helm install.

Alternatively, a YAML file that specifies the values for the parameters can be provided while installing the chart. For example,

$ helm install --name my-release -f values.yaml stable/external-dns

Tip

: You can use the default values.yaml

IAM Permissions

{
 "Version": "2012-10-17",
 "Statement": [
   {
     "Effect": "Allow",
     "Action": [
       "route53:ChangeResourceRecordSets"
     ],
     "Resource": [
       "arn:aws:route53:::hostedzone/*"
     ]
   },
   {
     "Effect": "Allow",
     "Action": [
       "route53:ListHostedZones",
       "route53:ListResourceRecordSets"
     ],
     "Resource": [
       "*"
     ]
   }
 ]
}